On Mon, 2008-08-04 at 22:38 +0200, Karel Zak wrote: > On Mon, Aug 04, 2008 at 03:03:53PM -0500, Gabriel Burt wrote: > > I tried rtcwake -a -m mem -s 15 (and also with -l and -u) and it > > successfully suspended, but didn't wake up automatically. Are there any > > logs I can attach or tests I can run to debug this? > > It's known issue. See for example: > https://bugzilla.redhat.com/show_bug.cgi?id=449738 > > A workaround is to use /sys FS interface: > > # date -u -d "15sec" "+%s" > /sys/class/rtc/rtc0/wakealarm > # echo "mem" > /sys/power/state Hrm, as you mentioned on that bug, it's the use of RTC_ALM_SET for alarms < 24hr from now that's breaking this. If I comment out the if < 24hr check and just have it use the RTC_WKALM_SET, it works for me as well. RTC_WKALM_SET is the preferred way of setting the wake alarm. I'll send a patch in a minute to use it first, and fall back on RTC_ALM_SET if it doesn't work. Gabriel -- To unsubscribe from this list: send the line "unsubscribe util-linux-ng" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
